1 /* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
6 static struct vg_shader _shader_ui
=
14 "layout (location=0) in vec2 a_co;"
15 "layout (location=1) in vec2 a_uv;"
16 "layout (location=2) in vec4 a_colour;"
17 "layout (location=3) in vec4 a_clip;"
20 "out vec2 aTexCoords;"
27 "gl_Position = vec4( uPv * vec3( a_co, 1.0 ), 1.0 );"
28 "aTexCoords = a_uv * 0.0078125;"
39 "uniform sampler2D uTexGlyphs;"
50 "float clip_blend = step( aWsp.x, aClip.z ) *"
51 "step( aWsp.y, aClip.w ) *"
52 "step( aClip.x, aWsp.x ) *"
53 "step( aClip.y, aWsp.y ); "
55 "vec4 glyph = vec4(1.0,1.0,1.0,1.0);"
57 "if( aColour.a == 0.0 )"
59 "glyph = texture( uTexGlyphs, aTexCoords );"
60 "glyph.a = smoothstep( 0.47, 0.53, glyph.r );"
64 "glyph.a = aColour.a;"
67 "FragColor = vec4( aColour.rgb, glyph.a*clip_blend );"
73 typedef u32 ui_colour
;
74 typedef ui_px ui_rect
[4];
75 typedef struct ui_ctx ui_ctx
;
76 typedef struct ui_colourset ui_colourset
;
78 /* Relative to cursor p0 */
81 k_text_align_left
= 0,
82 k_text_align_right
= 1,
83 k_text_align_center
= 2
134 u32 capture_mouse_id
;
141 int click_state
; /* 0: released, 1: on down, 2: pressed, 3: on release */
143 ui_colourset
*colours
;
158 #define UI_GLYPH_SPACING_X 9
160 static GLuint ui_glyph_texture
= 0;
161 static ui_colourset ui_default_colours
= {
167 static ui_ctx ui_global_ctx
;
169 static void ui_init_context( ui_ctx
*ctx
, int index_buffer_size
)
171 u32 vertex_buffer_size
= (index_buffer_size
+(index_buffer_size
/2));
173 /* Generate the buffer we are gonna be drawing to */
175 glGenVertexArrays(1, &ctx
->vao
);
176 glGenBuffers( 1, &ctx
->vbo
);
177 glGenBuffers( 1, &ctx
->ebo
);
178 glBindVertexArray( ctx
->vao
);
180 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
182 glBufferData( GL_ARRAY_BUFFER
,
183 vertex_buffer_size
* sizeof( struct ui_vert
),
184 NULL
, GL_DYNAMIC_DRAW
);
185 glBindVertexArray( ctx
->vao
);
187 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
188 glBufferData( GL_ELEMENT_ARRAY_BUFFER
,
189 index_buffer_size
* sizeof( u16
), NULL
, GL_DYNAMIC_DRAW
);
191 u32
const stride
= sizeof( struct ui_vert
);
194 glVertexAttribPointer( 0, 2, GL_SHORT
, GL_FALSE
,
195 stride
, (void *)offsetof( struct ui_vert
, co
) );
196 glEnableVertexAttribArray( 0 );
199 glVertexAttribPointer( 1, 2, GL_UNSIGNED_BYTE
, GL_FALSE
,
200 stride
, (void *)offsetof( struct ui_vert
, uv
) );
201 glEnableVertexAttribArray( 1 );
204 glVertexAttribPointer( 2, 4, GL_UNSIGNED_BYTE
, GL_TRUE
, stride
,
205 (void *)offsetof( struct ui_vert
, colour
) );
206 glEnableVertexAttribArray( 2 );
209 glVertexAttribPointer( 3, 4, GL_SHORT
, GL_FALSE
, stride
,
210 (void *)offsetof( struct ui_vert
, clip
) );
211 glEnableVertexAttribArray( 3 );
214 /* Initialize default context */
216 ctx
->verts
= (struct ui_vert
*)malloc(
217 vertex_buffer_size
* sizeof(struct ui_vert
) );
218 ctx
->indices
= (u16
*)malloc( index_buffer_size
* sizeof(u16
) );
221 ctx
->colours
= &ui_default_colours
;
225 static void ui_context_free( ui_ctx
*ctx
)
227 glDeleteVertexArrays( 1, &ctx
->vao
);
228 glDeleteBuffers( 1, &ctx
->vbo
);
229 glDeleteBuffers( 1, &ctx
->ebo
);
232 free( ctx
->indices
);
235 static void ui_default_init(void)
237 /* Load default font */
239 #include "vg/vg_pxfont.h"
242 u32 pixels
= 0, total
= 256*256, data
= 0;
243 u8
*image
= malloc( total
);
245 while( pixels
< total
)
247 for( int b
= 31; b
>= 0; b
-- )
249 image
[ pixels
++ ] = (compressed
[data
] & (0x1 << b
))? 0xff: 0x00;
251 if( pixels
>= total
)
260 glGenTextures( 1, &ui_glyph_texture
);
261 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
263 glTexImage2D( GL_TEXTURE_2D
, 0, GL_R8
, 256, 256, 0,
264 GL_RED
, GL_UNSIGNED_BYTE
, image
);
271 vg_shader_register( &_shader_ui
);
272 ui_init_context( &ui_global_ctx
, 20000 );
275 static void ui_default_free(void)
277 glDeleteTextures( 1, &ui_glyph_texture
);
278 ui_context_free( &ui_global_ctx
);
281 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
,
282 u32 colour
, ui_px uv
[4] );
284 static void ui_draw( ui_ctx
*ctx
, m3x3f view_override
)
286 u32 num_indices_normal
= ctx
->num_indices
;
288 /* Append images to back of buffer */
289 for( int i
= 0; i
< ctx
->image_count
; i
++ )
291 ui_fill_rect_uv( ctx
, ctx
->images
[i
].rc
,
292 0xffffffff, (ui_px
[4]){0,0,128,128} );
295 glBindVertexArray( ctx
->vao
);
297 glBindBuffer( GL_ARRAY_BUFFER
, ctx
->vbo
);
298 glBufferSubData( GL_ARRAY_BUFFER
, 0,
299 ctx
->num_verts
* sizeof( struct ui_vert
), ctx
->verts
);
301 glBindBuffer( GL_ELEMENT_ARRAY_BUFFER
, ctx
->ebo
);
302 glBufferSubData( GL_ELEMENT_ARRAY_BUFFER
, 0,
303 ctx
->num_indices
* sizeof( u16
), ctx
->indices
);
306 glBlendFunc(GL_SRC_ALPHA
, GL_ONE_MINUS_SRC_ALPHA
);
307 glBlendEquation(GL_FUNC_ADD
);
309 glUseProgram( _shader_ui
.id
);
311 m3x3f view
= M3X3_IDENTITY
;
315 view_override
= view
;
317 m3x3_translate( view
, (v3f
){ -1.0f
, 1.0f
, 0.0f
} );
318 m3x3_scale( view
, (v3f
){ 1.0f
/((float)vg_window_x
*0.5f
),
319 -1.0f
/((float)vg_window_y
*0.5f
), 1.0f
} );
323 glUniformMatrix3fv( glGetUniformLocation( _shader_ui
.id
, "uPv" ), 1,
324 GL_FALSE
, (float *)view_override
);
326 glActiveTexture( GL_TEXTURE0
);
327 glBindTexture( GL_TEXTURE_2D
, ui_glyph_texture
);
328 glUniform1i( glGetUniformLocation( _shader_ui
.id
, "uTexGlyphs" ), 0 );
330 glDrawElements( GL_TRIANGLES
, num_indices_normal
,
331 GL_UNSIGNED_SHORT
, (void*)(0) );
333 /* Draw image elements */
334 for( int i
= 0; i
< ctx
->image_count
; i
++ )
336 struct ui_image
*img
= &ctx
->images
[i
];
338 glBindTexture( GL_TEXTURE_2D
, img
->image
);
339 glDrawElements( GL_TRIANGLES
, 6, GL_UNSIGNED_SHORT
,
340 (void*)( (num_indices_normal
+ 6*i
)*sizeof(u16
) ) );
349 static void ui_rect_copy( ui_rect src
, ui_rect dst
)
357 static void ui_rect_pad( ui_rect rect
, ui_px pad
)
368 static struct ui_qnode
*ui_current( ui_ctx
*ctx
)
370 return &ctx
->stack
[ ctx
->stack_count
-1 ];
373 static void ui_new_node( ui_ctx
*ctx
)
375 if( ctx
->stack_count
== vg_list_size( ctx
->stack
) )
376 vg_exiterr( "[UI] Stack overflow while creating box!" );
378 struct ui_qnode
*parent
= &ctx
->stack
[ ctx
->stack_count
-1 ];
379 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
++ ];
380 ui_rect_copy( ctx
->cursor
, node
->rect
);
382 if( parent
->mouse_over
)
384 if( ctx
->mouse
[0] >= node
->rect
[0] &&
385 ctx
->mouse
[0] < node
->rect
[0]+node
->rect
[2] &&
386 ctx
->mouse
[1] >= node
->rect
[1] &&
387 ctx
->mouse
[1] < node
->rect
[1]+node
->rect
[3] )
388 node
->mouse_over
= 1;
390 node
->mouse_over
= 0;
394 node
->mouse_over
= 0;
398 static int ui_hasmouse( ui_ctx
*ctx
)
400 struct ui_qnode
*node
= ui_current( ctx
);
401 return (node
->mouse_over
&& (node
->capture_id
== ctx
->capture_mouse_id
));
404 static void ui_end( ui_ctx
*ctx
)
406 struct ui_qnode
*node
= &ctx
->stack
[ --ctx
->stack_count
];
407 ui_rect_copy( node
->rect
, ctx
->cursor
);
410 static void ui_end_down( ui_ctx
*ctx
)
412 ui_px height
= ui_current( ctx
)->rect
[3];
414 ctx
->cursor
[1] += height
;
417 static void ui_end_right( ui_ctx
*ctx
)
419 ui_px width
= ui_current( ctx
)->rect
[2];
421 ctx
->cursor
[0] += width
;
424 static void ui_fill_y( ui_ctx
*ctx
)
426 struct ui_qnode
*node
= ui_current( ctx
);
427 ctx
->cursor
[3] = node
->rect
[3] - (ctx
->cursor
[1]-node
->rect
[1]);
430 static void ui_fill_x( ui_ctx
*ctx
)
432 struct ui_qnode
*node
= ui_current( ctx
);
433 ctx
->cursor
[2] = node
->rect
[2] - (ctx
->cursor
[0]-node
->rect
[0]);
436 static void ui_align_bottom( ui_ctx
*ctx
)
438 struct ui_qnode
*node
= ui_current( ctx
);
439 ctx
->cursor
[1] = node
->rect
[1] + node
->rect
[3] - ctx
->cursor
[3];
442 static void ui_align_right( ui_ctx
*ctx
)
444 struct ui_qnode
*node
= ui_current( ctx
);
445 ctx
->cursor
[0] = node
->rect
[0] + node
->rect
[2] - ctx
->cursor
[2];
448 static void ui_align_top( ui_ctx
*ctx
)
450 ctx
->cursor
[1] = ui_current( ctx
)->rect
[1];
453 static void ui_align_left( ui_ctx
*ctx
)
455 ctx
->cursor
[0] = ui_current( ctx
)->rect
[0];
458 static void ui_clamp_rect( ui_rect parent
, ui_rect dest
)
460 dest
[0] = vg_min( parent
[0] + parent
[2] - dest
[2], dest
[0] );
461 dest
[1] = vg_min( parent
[1] + parent
[3] - dest
[3], dest
[1] );
462 dest
[0] = vg_max( parent
[0], dest
[0] );
463 dest
[1] = vg_max( parent
[1], dest
[1] );
466 static u32
ui_group_id( ui_ctx
*ctx
, u32 lesser_unique
)
468 return ctx
->id_base
| lesser_unique
;
471 static void ui_capture_mouse( ui_ctx
*ctx
, u32 id
)
473 u32 group_uid
= ui_group_id(ctx
,id
);
475 struct ui_qnode
*node
= &ctx
->stack
[ ctx
->stack_count
-1 ];
476 node
->capture_id
= group_uid
;
478 if( !ctx
->capture_lock
&& node
->mouse_over
)
480 ctx
->capture_mouse_id
= group_uid
;
484 static int ui_want_mouse( ui_ctx
*ctx
)
486 return ctx
->capture_mouse_id
== 0? 0: 1;
489 static void ui_set_clip( ui_ctx
*ctx
, ui_rect clip
)
491 ctx
->clipping
[0] = clip
[0];
492 ctx
->clipping
[1] = clip
[1];
493 ctx
->clipping
[2] = clip
[0] + clip
[2];
494 ctx
->clipping
[3] = clip
[1] + clip
[3];
497 static void ui_release_clip( ui_ctx
*ctx
)
499 ctx
->clipping
[0] = -32000;
500 ctx
->clipping
[1] = -32000;
501 ctx
->clipping
[2] = 32000;
502 ctx
->clipping
[3] = 32000;
505 static struct ui_vert
*ui_fill_rect_uv( ui_ctx
*ctx
, ui_rect rect
,
506 u32 colour
, ui_px uv
[4] )
508 struct ui_vert
*vertices
= &ctx
->verts
[ ctx
->num_verts
];
509 vertices
[0].co
[0] = rect
[0];
510 vertices
[0].co
[1] = rect
[1];
511 vertices
[0].uv
[0] = uv
[0];
512 vertices
[0].uv
[1] = uv
[1];
513 vertices
[0].colour
= colour
;
514 vertices
[1].co
[0] = rect
[0]+rect
[2];
515 vertices
[1].co
[1] = rect
[1];
516 vertices
[1].uv
[0] = uv
[2];
517 vertices
[1].uv
[1] = uv
[1];
518 vertices
[1].colour
= colour
;
519 vertices
[2].co
[0] = rect
[0]+rect
[2];
520 vertices
[2].co
[1] = rect
[1]+rect
[3];
521 vertices
[2].uv
[0] = uv
[2];
522 vertices
[2].uv
[1] = uv
[3];
523 vertices
[2].colour
= colour
;
524 vertices
[3].co
[0] = rect
[0];
525 vertices
[3].co
[1] = rect
[1]+rect
[3];
526 vertices
[3].uv
[0] = uv
[0];
527 vertices
[3].uv
[1] = uv
[3];
528 vertices
[3].colour
= colour
;
529 u16 ind_start
= ctx
->num_verts
;
530 u16
*indices
= &ctx
->indices
[ ctx
->num_indices
];
532 ui_rect_copy( ctx
->clipping
, vertices
[0].clip
);
533 ui_rect_copy( ctx
->clipping
, vertices
[1].clip
);
534 ui_rect_copy( ctx
->clipping
, vertices
[2].clip
);
535 ui_rect_copy( ctx
->clipping
, vertices
[3].clip
);
537 indices
[0] = ind_start
+0;
538 indices
[1] = ind_start
+2;
539 indices
[2] = ind_start
+1;
541 indices
[3] = ind_start
+0;
542 indices
[4] = ind_start
+3;
543 indices
[5] = ind_start
+2;
545 ctx
->num_indices
+= 6;
551 static struct ui_vert
*ui_fill_rect( ui_ctx
*ctx
, ui_rect rect
, u32 colour
)
553 return ui_fill_rect_uv( ctx
, rect
, colour
, (ui_px
[4]){ 4,4, 4,4 } );
556 static ui_px
ui_text_line_offset( const char *str
, ui_px scale
,
557 enum ui_text_align align
)
559 if( align
== k_text_align_left
)
563 const char *_c
= str
;
566 while( (c
= *(_c
++)) )
567 if( c
>= 32 && c
<= 126 )
572 if( align
== k_text_align_right
)
573 return -length
* scale
*8;
575 return (-length
* scale
*8) / 2;
578 static void ui_text( ui_ctx
*ctx
, ui_px pos
[2],
579 const char *str
, ui_px scale
, enum ui_text_align align
)
582 u32 current_colour
= 0x00ffffff;
584 const char *_c
= str
;
587 text_cursor
[0] = pos
[0] + ui_text_line_offset( str
, scale
, align
);
588 text_cursor
[1] = pos
[1];
589 text_cursor
[2] = 8*scale
;
590 text_cursor
[3] = 14*scale
;
592 while( (c
= *(_c
++)) )
596 text_cursor
[1] += 14*scale
;
597 text_cursor
[0] = pos
[0] + ui_text_line_offset( _c
, scale
, align
);
604 glyph_base
[0] = glyph_index
& 0xf;
605 glyph_base
[1] = (glyph_index
-glyph_base
[0])>>4;
610 ui_fill_rect_uv( ctx
, text_cursor
, current_colour
, (ui_px
[4])
618 else if( c
== '\x1B' )
622 for( int i
= 0; i
< 3; i
++ )
632 case '0': current_colour
= 0x00ffffff; break;
633 case '3'|'1'<<8: current_colour
= 0x00201fee; break;
634 case '3'|'2'<<8: current_colour
= 0x0037e420; break;
635 case '3'|'3'<<8: current_colour
= 0x000ed8e2; break;
636 case '3'|'4'<<8: current_colour
= 0x00f15010; break;
637 case '3'|'5'<<8: current_colour
= 0x00ee20ee; break;
638 case '3'|'6'<<8: current_colour
= 0x00eeee20; break;
639 case '3'|'7'<<8: current_colour
= 0x00ffffff; break;
645 colour_id
|= _c
[i
] << (i
*8);
658 text_cursor
[0] += UI_GLYPH_SPACING_X
*scale
*4;
662 text_cursor
[0] += UI_GLYPH_SPACING_X
*scale
;
669 static void ui_begin( ui_ctx
*ctx
, ui_px res_x
, ui_px res_y
)
673 ctx
->cursor
[2] = res_x
;
674 ctx
->cursor
[3] = res_y
;
676 ui_rect_copy( ctx
->cursor
, ctx
->stack
[0].rect
);
677 ctx
->stack
[0].mouse_over
= 1;
679 ctx
->stack_count
= 1;
682 ctx
->num_indices
= 0;
684 ui_release_clip( ctx
);
686 if( ctx
->click_state
== 0 )
687 ctx
->capture_mouse_id
= 0;
689 ctx
->image_count
= 0;
692 static void ui_resolve( ui_ctx
*ctx
)
694 if( ctx
->stack_count
-1 )
695 vg_exiterr( "[UI] Mismatched node create/drestroy!" );
697 if( ctx
->click_state
== 3 || ctx
->click_state
== 0 )
699 ctx
->capture_lock
= 0;
703 static void ui_set_mouse( ui_ctx
*ctx
, int x
, int y
, int click_state
)
708 ctx
->click_state
= click_state
;
712 * High level controls
720 ui_px drag_offset
[2];
725 k_button_released
= 0,
726 k_button_start_click
,
731 static int ui_button( ui_ctx
*ctx
, u32 id
)
735 ui_capture_mouse( ctx
, id
);
737 if( ui_hasmouse(ctx
) )
739 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours
->hover
);
741 if( ctx
->click_state
== 1 )
743 ctx
->capture_lock
= 1;
744 return k_button_start_click
;
746 else if( ctx
->capture_lock
&& ctx
->click_state
== 3 )
747 return k_button_click
;
748 else if( ctx
->capture_lock
&& ctx
->click_state
== 2 )
749 return k_button_hold
;
752 ui_fill_rect( ctx
, ctx
->cursor
, ctx
->colours
->main
);
755 return k_button_released
;
758 static int ui_window( ui_ctx
*ctx
, struct ui_window
*window
, u32 control_group
)
760 ctx
->id_base
= control_group
<< 16;
764 window
->transform
[0] = ctx
->mouse
[0]+window
->drag_offset
[0];
765 window
->transform
[1] = ctx
->mouse
[1]+window
->drag_offset
[1];
767 ui_clamp_rect( ctx
->stack
[0].rect
, window
->transform
);
769 if( ctx
->click_state
== 0 || ctx
->click_state
== 3 )
775 ui_rect_copy( window
->transform
, ctx
->cursor
);
779 ui_capture_mouse( ctx
, __COUNTER__
);
785 ui_capture_mouse( ctx
, __COUNTER__
);
787 struct ui_vert
*drag_bar
= ui_fill_rect( ctx
, ctx
->cursor
, 0xff555555 );
792 ui_text( ctx
, ctx
->cursor
, window
->title
, 2, 0 );
797 ui_align_right( ctx
);
799 ui_rect_pad( ctx
->cursor
, 4 );
801 if( ui_button( ctx
, __COUNTER__
) )
803 vg_info( "Click clacked\n" );
806 ui_text( ctx
, ctx
->cursor
, "x", 2, 0 );
809 if( ui_hasmouse( ctx
) )
811 drag_bar
[0].colour
= 0xff777777;
812 drag_bar
[1].colour
= 0xff777777;
813 drag_bar
[2].colour
= 0xff777777;
814 drag_bar
[3].colour
= 0xff777777;
817 if( ctx
->click_state
== 1 )
820 window
->drag_offset
[0] = window
->transform
[0]-ctx
->mouse
[0];
821 window
->drag_offset
[1] = window
->transform
[1]-ctx
->mouse
[1];
831 static void ui_push_image( ui_ctx
*ctx
, ui_rect rc
, GLuint image
)
833 struct ui_image
*img
= &ctx
->images
[ ctx
->image_count
++ ];
834 ui_rect_copy( rc
, img
->rc
);
844 struct ui_slider_vector
846 float *data
, min
, max
;
847 struct ui_slider sub
[4];
856 static void ui_slider( ui_ctx
*ctx
, struct ui_slider
*slider
)
860 ui_px slider_start
= ctx
->cursor
[0];
862 float const ftotal
= ctx
->cursor
[2],
863 fwidth
= ftotal
*0.25f
,
864 fmove
= ftotal
- fwidth
,
865 fstart
= fwidth
*0.5f
,
866 frange
= slider
->max
-slider
->min
,
867 fpos
= (*slider
->data
- slider
->min
) / frange
;
869 ui_fill_rect( ctx
, ctx
->cursor
, 0xff111111 );
870 ctx
->cursor
[2] = fwidth
;
871 ctx
->cursor
[0] = slider_start
+ fpos
* fmove
;
874 u32 uid
= (u32
)(u64
)slider
->data
;
875 int status
= ui_button( ctx
, uid
);
877 if( ctx
->capture_lock
&&
878 (ctx
->capture_mouse_id
== ui_group_id( ctx
, uid
)))
880 float ui_new
= ctx
->mouse
[0],
881 local
= ui_new
- (slider_start
+ fstart
),
882 zo
= vg_clampf(local
/ fmove
,0.0f
,1.0f
);
884 *slider
->data
= vg_lerpf( slider
->min
, slider
->max
, zo
);
891 snprintf( buf
, 12, "%.2f", *slider
->data
);
892 ui_text( ctx
, ctx
->cursor
, buf
, 1, 0 );
898 static void ui_slider_vector( ui_ctx
*ctx
, struct ui_slider_vector
*slider
)
900 for( int i
=0; i
<slider
->len
; i
++ )
902 slider
->sub
[i
].data
= &slider
->data
[i
];
903 slider
->sub
[i
].min
= slider
->min
;
904 slider
->sub
[i
].max
= slider
->max
;
905 ui_slider( ctx
, &slider
->sub
[i
] );
909 static void ui_checkbox( ui_ctx
*ctx
, struct ui_checkbox
*cb
)
911 u32 uid
= (u32
)(u64
)cb
->data
;
912 if( ui_button(ctx
,uid
) == k_button_click
)
916 ui_rect_pad( ctx
->cursor
, 4 );
918 ui_fill_rect( ctx
, ctx
->cursor
, 0xff00e052 );
920 ui_fill_rect( ctx
, ctx
->cursor
, 0xff0052e0 );
927 #define gui_draw(...) ui_draw( &ui_global_ctx, __VA_ARGS__)
928 #define gui_current(...) ui_current( &ui_global_ctx, __VA_ARGS__)
929 #define gui_new_node() ui_new_node( &ui_global_ctx )
930 #define gui_hasmouse(...) ui_hasmouse( &ui_global_ctx, __VA_ARGS__)
931 #define gui_end() ui_end( &ui_global_ctx )
932 #define gui_end_down() ui_end_down( &ui_global_ctx )
933 #define gui_end_right() ui_end_right( &ui_global_ctx )
934 #define gui_fill_y() ui_fill_y( &ui_global_ctx)
935 #define gui_fill_x() ui_fill_x( &ui_global_ctx)
936 #define gui_align_bottom() ui_align_bottom( &ui_global_ctx )
937 #define gui_align_right() ui_align_right( &ui_global_ctx )
938 #define gui_align_top() ui_align_top( &ui_global_ctx )
939 #define gui_align_left() ui_align_left( &ui_global_ctx )
940 #define gui_clamp_rect(...) ui_clamp_rect( &ui_global_ctx, __VA_ARGS__)
941 #define gui_group_id(...) ui_group_id( &ui_global_ctx, __VA_ARGS__)
942 #define gui_capture_mouse(...) ui_capture_mouse( &ui_global_ctx, __VA_ARGS__)
943 #define gui_set_clip(...) ui_set_clip( &ui_global_ctx, __VA_ARGS__)
944 #define gui_release_clip() ui_release_clip( &ui_global_ctx )
945 #define gui_fill_rect_uv(...) ui_fill_rect_uv( &ui_global_ctx, __VA_ARGS__)
946 #define gui_fill_rect(...) ui_fill_rect( &ui_global_ctx, __VA_ARGS__)
947 #define gui_text(...) ui_text( &ui_global_ctx, __VA_ARGS__)
948 #define gui_begin(...) ui_begin( &ui_global_ctx, __VA_ARGS__)
949 #define gui_resolve(...) ui_resolve( &ui_global_ctx, __VA_ARGS__)
950 #define gui_set_mouse(...) ui_set_mouse( &ui_global_ctx, __VA_ARGS__)
951 #define gui_button(...) ui_button( &ui_global_ctx, __VA_ARGS__)
952 #define gui_window(...) ui_window( &ui_global_ctx, __VA_ARGS__)
953 #define gui_want_mouse() ui_want_mouse( &ui_global_ctx )
954 #define gui_push_image(...) ui_push_image( &ui_global_ctx, __VA_ARGS__ )
955 #define gui_reset_colours(...) ui_reset_colours( &ui_global_ctx )